Detailed comparison and review of Lenovo ThinkPad T490s (20NX) and Lenovo IdeaPad S340-15IWL (81N8). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of Lenovo ThinkPad T490s (20NX) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
lightweight design
good security features
average display brightness
limited graphics performance
no HDMI port
higher price point
Advantages and disadvantages of Lenovo IdeaPad S340-15IWL (81N8) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
sleek design
comfortable keyboard
solid performance
lightweight build
average battery life
dim display
no thunderbolt support
limited upgradeability
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.9 cm x 22.615 cm x 1.67 cm | 35.8 cm x 24.5 cm x 1.79 cm |
| Weight | 1.35 kg | 1.79 kg |
| Case Material | Magnesium alloy, carbon fibre reinforced plastic | Aluminum, polycarbonate ABS |
| Colour | Black | Onyx black |
| DISPLAY | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | - |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 220 cd/m² |
| Colour Gamut | 72% NTSC | - |
| Features | Anti-glare, on-cell touch technology, 170° viewing angle, 72% NTSC colour gamut | Anti-glare |
| PROCESSOR | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i3 (8th Gen) 8145U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 3.9 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 6 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | - | 8 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2666 MHz | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Toshiba | 1 TB HDD SATA 6Gb/s / 5400 rpm |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | IR camera, ThinkShutter camera privacy | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | M.2 Card |
| Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter | Single stream (1x1) |
| BATTERY | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Technology | 3-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 52.5 Wh |
| Battery Life | Up to 20 hours | Up to 10 hours |
| AC ADAPTER | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 5 / 9 / 15 / 20 V | 65 Watt |
| INPUT | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Dock Headphone/microphone combo jack Lenovo Ethernet extension connector |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 Headphone/microphone combo jack HDMI |
|---|---|---|
| Memory Card Reader | Yes (microSD) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Home 64-bit Edition - English |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T490s (20NX) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 0.847 W/kg (limb), 0.847 W/kg (body) |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
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